*Doha国家


	gen doha = .
	replace doha = 1 if country=="Australia" 
	replace doha = 1 if country=="Austria" 
	replace doha = 1 if country=="Belarus" 
	replace doha = 1 if country=="Belgium" 
	replace doha = 1 if country=="Bulgaria"
	replace doha = 1 if country=="Croatia"
	replace doha = 1 if country=="Cyprus"
	replace doha = 1 if country=="Czech Republic"
	replace doha = 1 if country=="Denmark" 
	replace doha = 1 if country=="Estonia"
	replace doha = 1 if country=="European Union"
	replace doha = 1 if country=="Finland"
	replace doha = 1 if country=="France"
	replace doha = 1 if country=="Germany" 
	replace doha = 1 if country=="Greece"
	replace doha = 1 if country=="Hungary"
	replace doha = 1 if country=="Iceland"
	replace doha = 1 if country=="Ireland"
	replace doha = 1 if country=="Italy" 
	replace doha = 1 if country=="Kazakhstan"
	replace doha = 1 if country=="Latvia"
	replace doha = 1 if country=="Liechtenstein"
	replace doha = 1 if country=="Lithuania"
	replace doha = 1 if country=="Luxembourg" 
	replace doha = 1 if country=="Malta"
	replace doha = 1 if country=="Monaco"
	replace doha = 1 if country=="Netherlands"
	replace doha = 1 if country=="Norway"
	replace doha = 1 if country=="Poland" 
	replace doha = 1 if country=="Portugal"
	replace doha = 1 if country=="Romania"
	replace doha = 1 if country=="Slovakia"
	replace doha = 1 if country=="Slovenia"
	replace doha = 1 if country=="Spain" 
	replace doha = 1 if country=="Sweden"
	replace doha = 1 if country=="Switzerland"
	replace doha = 1 if country=="Ukraine"
	replace doha = 1 if country=="United Kingdom"
	replace doha = 1 if country=="Canada"
	replace doha = 1 if country=="Japan"
	replace doha = 1 if country=="New Zealand"
	replace doha = 1 if country=="Russian Federation"
	
